20127085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4409}}^1$

素因数の和:4508

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 6544595

約数列:

[1, 5, 11, 55, 83, 415, 913, 4409, 4565, 22045, 48499, 242495, 365947, 1829735, 4025417, 20127085]

約数ペア:

[(1, 20127085), (5, 4025417), (11, 1829735), (55, 365947), (83, 242495), (415, 48499), (913, 22045), (4409, 4565)]